docker-compose.yml

version: '3.3'
services:

  certbot:
    image: theohbrothers/docker-certbot-dns-cron:v1.10.1-digitalocean
    environment:
      ###########
      # Certbot #
      ###########
      # Whether to use production or staging LetsEncrypt endpoint. 0 for production, 1 for staging
      - STAGING=0

      # RSA Key size
      - RSA_KEY_SIZE=4096

      # Domains (delimited by ';')
      - DOMAINS=foo.example.com;bar.example.com
      # Admin Email's Local-part for LetsEncrypt expiry-notification emails
      # E.g. use "admin" for notification emails sent to "admin.example.com"
      # See https://en.wikipedia.org/wiki/Email_address for more information on the Local-part
      - DOMAIN_ADMIN_EMAIL_LOCALPART=admin

      # Certbot DNS Plugin
      - PLUGIN_DNS_PROVIDER=digitalocean
      - PLUGIN_DNS_CREDENTIALS_FILE=/etc/letsencrypt/certbot_dns_digitalocean_credentials.ini
      - PLUGIN_DNS_PROPAGATION_SECONDS=10

      ##########
      # Deploy #
      ##########
      # Whether to deploy certs. Omit environment variable to disable
      - DEPLOY_CERTS=1

      ##########
      # Reload #
      ##########
      # Container name to reload after signing and obtaining cert. Omit environment variable to disable
      - TARGET_CONTAINER_NAME=nginx-proxy-docker-gen

      ##########
      # Report #
      ##########
      # Whether to email the certbot report on successful signing of certs
      - EMAIL_REPORT=1
      # Email vars to send Report
      - EMAIL_FROM=foo@example.com
      - EMAIL_TO=foo@example.com
      - EMAIL_USER=foo@example.com
      - EMAIL_PASSWORD=myPassword
      - SMTP_SERVER=foo.smtp.com
      - SMTP_PORT=587

    volumes:
      - nginx-proxy-certs:/certs/:rw
      - ./data/letsencrypt:/etc/letsencrypt/:rw
      - /var/run/docker.sock:/tmp/docker.sock:ro



volumes:
  nginx-proxy-certs:
    external: true